<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Import from a binary string</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.gmp-hamdist.html">gmp_hamdist</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.gmp-init.html">gmp_init</a></div> <div class="up"><a href="ref.gmp.html">GMP Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.gmp-import" class="refentry"> <div class="refnamediv"> <h1 class="refname">gmp_import</h1> <p class="verinfo">(PHP 5 >= 5.6.1, PHP 7)</p><p class="refpurpose"><span class="refname">gmp_import</span> — <span class="dc-title">Import from a binary string</span></p> </div> <div class="refsect1 description" id="refsect1-function.gmp-import-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type"><a href="class.gmp.html" class="type GMP">GMP</a></span> <span class="methodname"><strong>gmp_import</strong></span> ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$data</code></span> [, <span class="methodparam"><span class="type">int</span> <code class="parameter">$word_size</code><span class="initializer"> = 1</span></span> [, <span class="methodparam"><span class="type">int</span> <code class="parameter">$options</code><span class="initializer"> = <strong><code>GMP_MSW_FIRST</code></strong> | <strong><code>GMP_NATIVE_ENDIAN</code></strong></span></span> ]] )</div> <p class="para rdfs-comment"> Import a GMP number from a binary string </p> </div> <div class="refsect1 parameters" id="refsect1-function.gmp-import-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <code class="parameter">data</code></dt> <dd> <p class="para"> The binary string being imported </p> </dd> <dt> <code class="parameter">word_size</code></dt> <dd> <p class="para"> Default value is 1. The number of bytes in each chunk of binary data. This is mainly used in conjunction with the options parameter. </p> </dd> <dt> <code class="parameter">options</code></dt> <dd> <p class="para"> Default value is GMP_MSW_FIRST | GMP_NATIVE_ENDIAN. </p> </dd> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.gmp-import-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns a GMP number or <strong><code>FALSE</code></strong> on failure. </p> </div> <div class="refsect1 examples" id="refsect1-function.gmp-import-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-4205"> <p><strong>Example #1 <span class="function"><strong>gmp_import()</strong></span> example</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br />$number </span><span style="color: #007700">= </span><span style="color: #0000BB">gmp_import</span><span style="color: #007700">(</span><span style="color: #DD0000">"\0"</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">gmp_strval</span><span style="color: #007700">(</span><span style="color: #0000BB">$number</span><span style="color: #007700">) . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$number </span><span style="color: #007700">= </span><span style="color: #0000BB">gmp_import</span><span style="color: #007700">(</span><span style="color: #DD0000">"\0\1\2"</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">gmp_strval</span><span style="color: #007700">(</span><span style="color: #0000BB">$number</span><span style="color: #007700">) . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents screen"> <div class="cdata"><pre> 0 258 </pre></div> </div> </div> </p> </div> <div class="refsect1 seealso" id="refsect1-function.gmp-import-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><span class="function"><a href="function.gmp-export.html" class="function" rel="rdfs-seeAlso">gmp_export()</a> - Export to a binary string</span></li> </ul> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.gmp-hamdist.html">gmp_hamdist</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.gmp-init.html">gmp_init</a></div> <div class="up"><a href="ref.gmp.html">GMP Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>